Fastly vs Flagsmith
Edge cloud platform — CDN + compute + security + observability
vs. Open-source feature flags + remote config — SaaS, private cloud, self-host
Pricing tiers
Fastly
Free Trial
Free allowances: 100 GB bandwidth, 1M CDN requests, 10M Edge Compute requests, 100M vCPU-ms, 500K DDoS requests.
Free
Pay-as-you-go
Usage-based rates with volume discounts. No minimum commitment.
$0 base (usage-based)
Basic Package
$1,500/month. 100M requests. Standard support.
$1500/mo
Starter Package
$6,000/month. 500M requests. Gold support.
$6000/mo
Advantage
Custom. 2B requests. Gold support.
Custom
Ultimate
Custom. 5B+ requests. Enterprise support.
Custom
Flagsmith
Free
$0. 50,000 API requests/mo. 1 team member. Unlimited flags. Community support.
Free
Self-hosted
$0 (OSS). Host yourself via Docker/K8s. Fair-source license (non-compete).
$0 base (usage-based)
Start-up
$40/mo. 1,000,000 API requests/mo. 3 team members. Standard support.
$40/mo
Scale-up
$200/mo. 5,000,000 API requests. 10 team members. Priority support + SLA.
$200/mo
Enterprise
Custom. Unlimited API requests, SSO, SAML, RBAC, audit logs, on-prem.
Custom
Free-tier quotas head-to-head
Comparing free on Fastly vs free on Flagsmith.
| Metric | Fastly | Flagsmith |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Fastly · 16 features
- API Security — Schema validation + rate limiting.
- Bot Management — Behavioral bot detection + mitigation.
- CDN — Global Varnish-based CDN with VCL customization.
- Compute@Edge — Wasm-based serverless at 200+ POPs. Rust, JS, Go.
- DDoS Protection — Included on all plans.
- Fanout (WebSockets) — Persistent connection fan-out at edge.
- Image Optimization — On-the-fly resize/format/quality.
- Instant Purge — <150ms global cache invalidation.
- KV Store (Config) — Edge key-value store for config.
- Live Streaming — HLS + DASH live video delivery.
- Log Streaming — Real-time logs to S3, Datadog, Splunk, Azure, GCS, Kafka.
- Managed TLS — Automated cert issuance + renewal.
- Next-Gen WAF — Signal Sciences acquired — runtime app protection.
- Real-Time Analytics — Sub-second log streaming + metrics.
- Secret Store — Encrypted secrets at edge.
- Shield POP — Origin shield to reduce origin load.
Flagsmith · 14 features
- A/B Testing — Multivariate flag splits.
- Audit Log — Full history of flag changes.
- Change Requests — Approval workflow for flag changes.
- Edge API — Global low-latency flag eval.
- Feature Flags — Boolean + multivariate + JSON flags.
- Local Evaluation — Server SDKs eval flags locally — no per-req API call.
- Percentage Rollouts — Gradual traffic ramp.
- Remote Config — Non-boolean config values.
- Role-Based Access — Fine-grained permissions.
- Scheduled Flags — Time-based flag changes.
- Segments — Rule-based targeting.
- Self-Hosting — Docker/Helm install.
- SSO + SAML — Enterprise SSO.
- Webhooks — Outbound event streaming.
Developer interfaces
| Kind | Fastly | Flagsmith |
|---|---|---|
| CLI | Fastly CLI | Flagsmith CLI |
| SDK | compute-go-starter, compute-js-starter, compute-rust-starter | flagsmith-android, flagsmith-go, flagsmith-ios, flagsmith-java, flagsmith-js (browser), flagsmith-nodejs, flagsmith-python, flagsmith-ruby |
| REST | Fastly API | Flagsmith REST API |
| OTHER | Compute@Edge (Wasm), VCL (Varnish) | Flagsmith Dashboard, Flagsmith Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Fastly and Flagsmith are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.